<template>
  <h4>当前的x值是:{{ x.y }}</h4>
  <button @click="x={y: 888}">点我替换x</button>
  <button @click="x.y++">点我x.y++</button>
  <hr>
  <h4>{{ person }}</h4>
  <h2>姓名:{{ name }}</h2>
  <h2>年龄:{{ age }}</h2>
  <h2>薪资:{{ job.j1.salary }}K</h2>
  <button @click="name += '~'">修改姓名</button>
  <button @click="age++">增长年龄</button>
  <button @click="job.j1.salary++">涨薪</button>
</template>

<script>
import { reactive, ref, toRef, toRefs, shallowReactive, shallowRef } from 'vue'
export default {
  name: 'Demo',
  setup() {
    // 数据
    // shallowReactive浅层次的响应式
    // let person = shallowReactive({ // 只考虑第一层数据的响应式
    let person = reactive({
      name: '张三',
      age: 18,
      job: {
        j1: {
          salary: 20
        }
      }
    })
    let x = shallowRef({
      y: 0
    })
    console.log(x);


    return {
      person,
      ...toRefs(person),
      x
    }
  }

}
</script>

<style>
</style>
